nhmood/watson-ruby — pull request #243 by jsspencer (2014-01-09 14:24:51+00:00)
Title: Only print out in colour if STDOUT is sent to a tty.

I find it useful to dump the issues into a text file or send through a pipe. The pretty printing formatting is, in those cases, rather annoying. A reasonable default (in my opinion) is to only enable pretty printing if the standard output is sent to a tty.